Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2023 13:55

General

  • Target

    New Order Inquiry.exe

  • Size

    1.2MB

  • MD5

    718851e3f679d37e670918ffd078961a

  • SHA1

    9c10c66b026582d97290c470b551d262e86d42a3

  • SHA256

    52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3

  • SHA512

    f47bb5b1955b0dc1d7e161a1a0b82cdefa909fc10f55346f468333867e4bce35e669e33b1a716abc9b10dd8b012f952b79677ec7049234f845693310f17f06b0

  • SSDEEP

    24576:r1QV+zUQjIdnYfnj349Nt+krzbholb28DMx//CN/k3BRfBZ+:rmszUB4nb63n+lb/DynCN/k3BlB

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

79.134.225.23:1097

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UY1HFR

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order Inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order Inquiry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pEiJZszBZRr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pEiJZszBZRr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D3C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1196
    • C:\Users\Admin\AppData\Local\Temp\New Order Inquiry.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order Inquiry.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3968
      • C:\ProgramData\Remcos\remcos.exe
        "C:\ProgramData\Remcos\remcos.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pEiJZszBZRr.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1444
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pEiJZszBZRr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC40B.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:3108
        • C:\ProgramData\Remcos\remcos.exe
          "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1.2MB

    MD5

    718851e3f679d37e670918ffd078961a

    SHA1

    9c10c66b026582d97290c470b551d262e86d42a3

    SHA256

    52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3

    SHA512

    f47bb5b1955b0dc1d7e161a1a0b82cdefa909fc10f55346f468333867e4bce35e669e33b1a716abc9b10dd8b012f952b79677ec7049234f845693310f17f06b0

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1.2MB

    MD5

    718851e3f679d37e670918ffd078961a

    SHA1

    9c10c66b026582d97290c470b551d262e86d42a3

    SHA256

    52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3

    SHA512

    f47bb5b1955b0dc1d7e161a1a0b82cdefa909fc10f55346f468333867e4bce35e669e33b1a716abc9b10dd8b012f952b79677ec7049234f845693310f17f06b0

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1.2MB

    MD5

    718851e3f679d37e670918ffd078961a

    SHA1

    9c10c66b026582d97290c470b551d262e86d42a3

    SHA256

    52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3

    SHA512

    f47bb5b1955b0dc1d7e161a1a0b82cdefa909fc10f55346f468333867e4bce35e669e33b1a716abc9b10dd8b012f952b79677ec7049234f845693310f17f06b0

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1.2MB

    MD5

    718851e3f679d37e670918ffd078961a

    SHA1

    9c10c66b026582d97290c470b551d262e86d42a3

    SHA256

    52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3

    SHA512

    f47bb5b1955b0dc1d7e161a1a0b82cdefa909fc10f55346f468333867e4bce35e669e33b1a716abc9b10dd8b012f952b79677ec7049234f845693310f17f06b0

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    0ea4accd4c268eb6f540022ed96c9e30

    SHA1

    383a20de825120419a5e6edb44acf0fb41b6e4d5

    SHA256

    12a100772f18ad61e4489d06aa74cded44fcb234542c8bd24975f9e80c19d439

    SHA512

    9793b587d57d172dd6bd318ab971412f391b24a99138ed99d2ea393e61378f4cbc229115a9e7d51aae38bf6f8814b97415eee86a78487f87e0e9cd5124772b0f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dcozj0my.f5a.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1D3C.tmp

    Filesize

    1KB

    MD5

    39a9edfce1d1e8a931655eaf40ffe22e

    SHA1

    85509161044281cfc8c01c2bf299cc0945812af1

    SHA256

    1b40a7ffecf3558eb14b4b1ba434b7a5273980cccc1d30b5bdc79f5cea099b24

    SHA512

    839b07baa2cd9dadf21777cdb9258444f91edecaa10c6a703011dfac577c39113060d03491b678bc7e0d5706308d4346fda465ba6b8ed1e607c0806664826020

  • C:\Users\Admin\AppData\Local\Temp\tmpC40B.tmp

    Filesize

    1KB

    MD5

    39a9edfce1d1e8a931655eaf40ffe22e

    SHA1

    85509161044281cfc8c01c2bf299cc0945812af1

    SHA256

    1b40a7ffecf3558eb14b4b1ba434b7a5273980cccc1d30b5bdc79f5cea099b24

    SHA512

    839b07baa2cd9dadf21777cdb9258444f91edecaa10c6a703011dfac577c39113060d03491b678bc7e0d5706308d4346fda465ba6b8ed1e607c0806664826020

  • memory/1244-200-0x0000000007570000-0x0000000007578000-memory.dmp

    Filesize

    32KB

  • memory/1244-180-0x0000000004B70000-0x0000000004B80000-memory.dmp

    Filesize

    64KB

  • memory/1244-150-0x0000000004F80000-0x0000000004FA2000-memory.dmp

    Filesize

    136KB

  • memory/1244-146-0x00000000051B0000-0x00000000057D8000-memory.dmp

    Filesize

    6.2MB

  • memory/1244-152-0x0000000005120000-0x0000000005186000-memory.dmp

    Filesize

    408KB

  • memory/1244-197-0x00000000074D0000-0x0000000007566000-memory.dmp

    Filesize

    600KB

  • memory/1244-154-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/1244-162-0x0000000004B70000-0x0000000004B80000-memory.dmp

    Filesize

    64KB

  • memory/1244-182-0x0000000070E30000-0x0000000070E7C000-memory.dmp

    Filesize

    304KB

  • memory/1244-144-0x0000000004980000-0x00000000049B6000-memory.dmp

    Filesize

    216KB

  • memory/1244-196-0x00000000072C0000-0x00000000072CA000-memory.dmp

    Filesize

    40KB

  • memory/1244-195-0x0000000007250000-0x000000000726A000-memory.dmp

    Filesize

    104KB

  • memory/1244-194-0x00000000078A0000-0x0000000007F1A000-memory.dmp

    Filesize

    6.5MB

  • memory/1244-193-0x000000007F6B0000-0x000000007F6C0000-memory.dmp

    Filesize

    64KB

  • memory/1244-199-0x0000000007590000-0x00000000075AA000-memory.dmp

    Filesize

    104KB

  • memory/1244-178-0x0000000005F50000-0x0000000005F6E000-memory.dmp

    Filesize

    120KB

  • memory/1244-198-0x0000000007480000-0x000000000748E000-memory.dmp

    Filesize

    56KB

  • memory/1244-192-0x0000000006500000-0x000000000651E000-memory.dmp

    Filesize

    120KB

  • memory/1244-181-0x0000000006520000-0x0000000006552000-memory.dmp

    Filesize

    200KB

  • memory/1244-156-0x0000000004B70000-0x0000000004B80000-memory.dmp

    Filesize

    64KB

  • memory/1444-224-0x0000000004A00000-0x0000000004A10000-memory.dmp

    Filesize

    64KB

  • memory/1444-237-0x000000007F210000-0x000000007F220000-memory.dmp

    Filesize

    64KB

  • memory/1444-227-0x0000000073140000-0x000000007318C000-memory.dmp

    Filesize

    304KB

  • memory/1444-226-0x0000000004A00000-0x0000000004A10000-memory.dmp

    Filesize

    64KB

  • memory/1444-225-0x0000000004A00000-0x0000000004A10000-memory.dmp

    Filesize

    64KB

  • memory/2028-220-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-264-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-277-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-276-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-275-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-274-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-273-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-272-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-218-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-271-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-270-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-222-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-223-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-269-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-268-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-267-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-266-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-265-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-238-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-240-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-241-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-242-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-243-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-244-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-245-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-246-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-247-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-248-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-249-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-250-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-251-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-252-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-253-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-254-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-255-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-256-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-257-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-258-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-259-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-260-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-261-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-262-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2028-263-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2892-179-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/2892-203-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3472-139-0x0000000006AB0000-0x0000000006B4C000-memory.dmp

    Filesize

    624KB

  • memory/3472-136-0x0000000005210000-0x000000000521A000-memory.dmp

    Filesize

    40KB

  • memory/3472-137-0x0000000005300000-0x0000000005310000-memory.dmp

    Filesize

    64KB

  • memory/3472-138-0x0000000005300000-0x0000000005310000-memory.dmp

    Filesize

    64KB

  • memory/3472-135-0x0000000005070000-0x0000000005102000-memory.dmp

    Filesize

    584KB

  • memory/3472-133-0x00000000005A0000-0x00000000006D2000-memory.dmp

    Filesize

    1.2MB

  • memory/3472-134-0x0000000005530000-0x0000000005AD4000-memory.dmp

    Filesize

    5.6MB

  • memory/3968-147-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3968-151-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3968-148-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3968-155-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3968-177-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB